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design

1030 links - and 5 categories

Antennas
  • Line Launcher - The line launcher is a handy tool which is a must-have for anyone who uses wire antennas. It provides an easy way to mount the end of a wire antenna up into a tree. It basically consists of a fishing reel mounted to a slingshot, which is a tried & true design.
    [ Hits: 1212 | Votes: 0 | Rating: 0.00 ]
  • K5TR'S Antenna Designs - YO files - Antenna designs that K5TR have collected from various sources.
    [ Hits: 897 | Votes: 2 | Rating: 9.00 ]
Antennas : 6M : 6 meter Yagi Antennas Antennas : 70cm
  • 70cm Longyagis - 70cm-Longyagis in 28Ohm-DK7ZB-Design
    [ Hits: 2352 | Votes: 3 | Rating: 7.00 ]
  • 3 Element cubic quad for UHF - Article in spanish with design and descriptio of a 3 elements cubic antenna for UHF
    [ Hits: 4257 | Votes: 11 | Rating: 4.00 ]
Antennas : Array
  • K5UA 40 meter Phased Array - The intent of this site to share information about the design of a 40 meter horizontal phased array antenna.
    [ Hits: 3219 | Votes: 5 | Rating: 7.00 ]
Antennas : Dipole
  • Shortened Center-Fed Half-Wave Dipole - Design your owm HF shiortened dipole. Includes a diagram of a lumped-constant loaded dipole antenna that is intended to fit in available space, rather than requiring a full 1/2 wavelength, at a specified frequency
    [ Hits: 2635 | Votes: 5 | Rating: 9.80 ]
Antennas : Multiband
  • W4JOH Cobra Antenna - The original Cobra antenna, is a multiband 160 or 80 to 10 meter, designed by W4JOH is built using standard insulated wire of about 14 gauge and fed with 450 ohm ladder line down to the shack into a tuner.
    [ Hits: 1463 | Votes: 1 | Rating: 10.00 ]
Antennas : Quagi
  • Quagi antenna for 144 Mhz - A modified W5UN Quagi design optimized for 144.050 Mhz
    [ Hits: 3631 | Votes: 8 | Rating: 3.00 ]
Antennas : Shortwave
  • Receiving Antenna Design - Learn basic theory on antennas, and notes on homebrewing efficient shortwave antennas
    [ Hits: 3065 | Votes: 2 | Rating: 9.00 ]
Antennas : Towers
  • KC1XX Contest Station - Amateur Radio Station owned by Matt Strelow. The station is designed for competition in the multi-operator multi-transmitter category of high-frequency DX contests. Running with 7 towers 6 rotators, 8 beverage listening antennas, and 4 spotting verticals
    [ Hits: 1630 | Votes: 2 | Rating: 6.50 ]
Manufacturers : Amplifiers
  • Amplitec linear amplifiers - HF VHF UHF amplifiers, designed by hams for hams, and morse keys manufacturer
    [ Hits: 8860 | Votes: 11 | Rating: 4.27 ]
Manufacturers : Antennas : VHF UHF Microwave : Yagi Antennas
  • RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
    [ Hits: 1457 | Votes: 4 | Rating: 9.00 ]
Operating Aids : History
  • Tesla and Radio - Nikola Tesla created a basic design for radio
    [ Hits: 180 | Votes: 0 | Rating: 0.00 ]
Software : Antenna analysis
  • WASP-NET - Complex CAD and Optimization Software for Waveguide, Coax, Combline and Antenna components design and antenna modelling
    [ Hits: 1821 | Votes: 13 | Rating: 2.14 ]
Technical Reference : Amplifiers : HF Amplifiers
  • 4CX1500 - This is a 4CX1500B grid driven amplifier that is built like a tank. The unit is considerably over designed as can be seen in the pictures documenting the construction
    [ Hits: 10869 | Votes: 10 | Rating: 5.80 ]
Technical Reference : Amplifiers : RF Amplifiers Theory Technical Reference : Filters
  • Band filters by PA9M - Band filters for PA6Z made by PA9M, designed by W3NQN.
    [ Hits: 333 | Votes: 1 | Rating: 9.00 ]
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